ENTRY 23428 20180919 22722342800000001 SUBENT 23428001 20180919 22722342800100001 BIB 13 40 2342800100002 TITLE Application of a sealed tube neutron generator to the 2342800100003 characterization of very short half-life isomeric 2342800100004 states 2342800100005 AUTHOR (B.Antonot, S.Cluzeau, P.Le Tourneur, F.Bergamo) 2342800100006 REFERENCE (J,NIM/B,99,513,1995) 2342800100007 INSTITUTE (2FR FR) SODERN-20, Avenue Descartes 94 451 Limeil, 2342800100008 Brevannes Cedex, France 2342800100009 (1USAUSA) ATC, Colorado Springs, CO, USA 2342800100010 This work is performed in the framework of a 2342800100011 PhD to be presented at the Centre de Physique Atomique,2342800100012 Universite Paul Sabatier, Toulouse, France. 2342800100013 FACILITY (NGEN) SODERN sealed tube neutron generator. 2342800100014 100 muA current, 125 kV voltage. 2342800100015 Pulse width 5musec - 10msec. 2342800100016 Frequency from 1 Hz to 10 kHz . 2342800100017 INC-SOURCE (D-T) Deuteron beam on tritiated target. 2342800100018 14 MeV neutrons. 2342800100019 INC-SPECT 2.E+8 n/sec in 4PI sr. 2342800100020 DETECTOR (HPGE) Semiconductor coaxial 1000cm3 gamma ray detector2342800100021 Ge(HP) of N type, 8x1024 channel pulse height analyzer.2342800100022 Resolution 3.3 keV at 1332 keV 60Co line. 2342800100023 Detector was protected by W, Pb, borated PE shielding. 2342800100024 Half-lives of short-lived nuclei were measured with the2342800100025 fast multiscaler ORTEC MCS PLUS controlled by a single 2342800100026 channel analyzer (ORTEC SCA 550) allowing the 2342800100027 identification of the wanted gamma line. 2342800100028 Detection efficiency was determined by 152-Eu source. 2342800100029 METHOD (ACTIV) Cyclic activation . 2342800100030 Neutron flux at the sample position was determined by 2342800100031 Cu-63(n,2n)Cu-62 reaction. 2342800100032 SAMPLE High purity oxide powder weighing about 100 g, placed 2342800100033 in thin walled cylindrical containers. 2342800100034 (No information about sample contents) 2342800100035 CORRECTION For gamma-ray self-absorption in sample. 2342800100036 Gamma background was measured without sample. 2342800100037 ERR-ANALYS (DATA-ERR) Includes: 2342800100038 statistical error of detected gamma-rays number , 2342800100039 detection efficiency error, 2342800100040 error of neutron flux intensity. 2342800100041 HISTORY (20180919C) M.M. 2342800100042 ENDBIB 40 0 2342800100043 COMMON 1 3 2342800100044 EN 2342800100045 MEV 2342800100046 14. 2342800100047 ENDCOMMON 3 0 2342800100048 ENDSUBENT 47 0 2342800199999 SUBENT 23428002 20180919 22722342800200001 BIB 3 5 2342800200002 REACTION (49-IN-115(N,2N)49-IN-114-L,,SIG) 2342800200003 DECAY-DATA (49-IN-114-L,42.24MSEC,DG,312.) HL error 5.% 2342800200004 Level energy 502.keV 2342800200005 STATUS (TABLE) Table 1 of Nucl.Instrum Methods in Phys.Res., 2342800200006 Sect.B,99,513,1995 2342800200007 ENDBIB 5 0 2342800200008 NOCOMMON 0 0 2342800200009 DATA 2 1 2342800200010 DATA DATA-ERR 2342800200011 MB PER-CENT 2342800200012 450. 30. 2342800200013 ENDDATA 3 0 2342800200014 ENDSUBENT 13 0 2342800299999 SUBENT 23428003 20180919 22722342800300001 BIB 3 6 2342800300002 REACTION (73-TA-181(N,INL)73-TA-181-L,,SIG) 2342800300003 DECAY-DATA (73-TA-181-L,18.3E-06SEC,DG,346.,, 2342800300004 DG,482.) 2342800300005 HL error 15.% . Level energy 615.keV 2342800300006 STATUS (TABLE) Table 1 of Nucl.Instrum Methods in Phys.Res., 2342800300007 Sect.B,99,513,1995 2342800300008 ENDBIB 6 0 2342800300009 NOCOMMON 0 0 2342800300010 DATA 2 1 2342800300011 DATA DATA-ERR 2342800300012 MB PER-CENT 2342800300013 161. 35. 2342800300014 ENDDATA 3 0 2342800300015 ENDSUBENT 14 0 2342800399999 SUBENT 23428004 20180919 22722342800400001 BIB 3 5 2342800400002 REACTION (74-W-182(N,2N)74-W-181-L,,SIG) 2342800400003 DECAY-DATA (74-W-181-L,14.3E-06SEC,DG,365.) 2342800400004 HL error 15.% . Level energy 365.keV 2342800400005 STATUS (TABLE) Table 1 of Nucl.Instrum Methods in Phys.Res., 2342800400006 Sect.B,99,513,1995 2342800400007 ENDBIB 5 0 2342800400008 NOCOMMON 0 0 2342800400009 DATA 2 1 2342800400010 DATA DATA-ERR 2342800400011 MB PER-CENT 2342800400012 261. 35. 2342800400013 ENDDATA 3 0 2342800400014 ENDSUBENT 13 0 2342800499999 SUBENT 23428005 20180919 22722342800500001 BIB 3 9 2342800500002 REACTION (82-PB-206(N,2N)82-PB-205-L,,SIG) 2342800500003 DECAY-DATA (82-PB-205-L,5.41MSEC,DG,284.,, 2342800500004 DG,310.,, 2342800500005 DG,703.,, 2342800500006 DG,987.,, 2342800500007 DG,1014.) 2342800500008 HL error 5.% . Level energy 1013.7keV 2342800500009 STATUS (TABLE) Table 1 of Nucl.Instrum Methods in Phys.Res., 2342800500010 Sect.B,99,513,1995 2342800500011 ENDBIB 9 0 2342800500012 NOCOMMON 0 0 2342800500013 DATA 2 1 2342800500014 DATA DATA-ERR 2342800500015 MB PER-CENT 2342800500016 931. 30. 2342800500017 ENDDATA 3 0 2342800500018 ENDSUBENT 17 0 2342800599999 SUBENT 23428006 20180919 22722342800600001 BIB 3 10 2342800600002 REACTION (82-PB-0(N,X)82-PB-206-L,,SIG) 2342800600003 Contributions of Pb-206(n,inl) and Pb-207(n,2n) 2342800600004 DECAY-DATA (82-PB-206-L,124.73MICROSEC,DG,343.5,, 2342800600005 DG,516.,, 2342800600006 DG,537.,, 2342800600007 DG,803.,, 2342800600008 DG,881.) 2342800600009 HL error 15.% . Level energy 2200.4 keV 2342800600010 STATUS (TABLE) Table 1 of Nucl.Instrum Methods in Phys.Res., 2342800600011 Sect.B,99,513,1995 2342800600012 ENDBIB 10 0 2342800600013 NOCOMMON 0 0 2342800600014 DATA 2 1 2342800600015 DATA DATA-ERR 2342800600016 MB PER-CENT 2342800600017 735. 25. 2342800600018 ENDDATA 3 0 2342800600019 ENDSUBENT 18 0 2342800699999 SUBENT 23428007 20180919 22722342800700001 BIB 3 7 2342800700002 REACTION (82-PB-0(N,X)82-PB-207-M,,SIG) 2342800700003 Contributions of Pb-207(n,inl) and Pb-208(N,2n) 2342800700004 DECAY-DATA (82-PB-207-M,0.8115SEC,DG,570.,, 2342800700005 DG,1060.) 2342800700006 HL error 5.% . Level energy 1633.keV 2342800700007 STATUS (TABLE) Table 1 of Nucl.Instrum Methods in Phys.Res., 2342800700008 Sect.B,99,513,1995 2342800700009 ENDBIB 7 0 2342800700010 NOCOMMON 0 0 2342800700011 DATA 2 1 2342800700012 DATA DATA-ERR 2342800700013 MB PER-CENT 2342800700014 1126.5 26. 2342800700015 ENDDATA 3 0 2342800700016 ENDSUBENT 15 0 2342800799999 SUBENT 23428008 20180919 22722342800800001 BIB 3 5 2342800800002 REACTION (83-BI-209(N,2N)83-BI-208-L,,SIG) 2342800800003 DECAY-DATA (83-BI-208-L,2.58MSEC,DG,921.) 2342800800004 HL error 10.% . Level energy 1571.1 keV 2342800800005 STATUS (TABLE) Table 1 of Nucl.Instrum Methods in Phys.Res., 2342800800006 Sect.B,99,513,1995 2342800800007 ENDBIB 5 0 2342800800008 NOCOMMON 0 0 2342800800009 DATA 2 1 2342800800010 DATA DATA-ERR 2342800800011 MB PER-CENT 2342800800012 289. 30. 2342800800013 ENDDATA 3 0 2342800800014 ENDSUBENT 13 0 2342800899999 ENDENTRY 8 0 2342899999999